词族 · supererogatory
英语词源
- supererogatory (adj.)
- 1590s, from Medieval Latin supererogatorius, from supererogat-, stem of supererogare "pay or do additionally" (see supererogation).
权威例句
- 1. It was supererogatory for her to gloat ( Mary McCarthy )
- 她也在一旁幸灾乐祸地看得出神,真是多余 ( 玛丽麦卡锡 )
- 2. It was supererogatory of her to gloat.
- 她没必要幸灾乐祸.